From: Pekka Enberg <penberg@kernel.org>
To: Ezequiel Garcia <elezegarcia@gmail.com>
Cc: linux-mm@kvack.org, Christoph Lameter <cl@linux.com>,
Glauber Costa <glommer@parallels.com>
Subject: Re: [PATCH] mm, slob: Drop usage of page->private for storing page-sized allocations
Date: Tue, 4 Sep 2012 10:28:52 +0300 [thread overview]
Message-ID: <CAOJsxLFqn7mtARqJ4PY0HyMa+uo28VXb52gNo4JNzthDVmJSSw@mail.gmail.com> (raw)
In-Reply-To: <1344974585-9701-1-git-send-email-elezegarcia@gmail.com>
Hi Ezequiel,
On Tue, Aug 14, 2012 at 11:03 PM, Ezequiel Garcia <elezegarcia@gmail.com> wrote:
> This field was being used to store size allocation so it could be
> retrieved by ksize(). However, it is a bad practice to not mark a page
> as a slab page and then use fields for special purposes.
> There is no need to store the allocated size and
> ksize() can simply return PAGE_SIZE << compound_order(page).
>
> Cc: Pekka Enberg <penberg@kernel.org>
> Cc: Christoph Lameter <cl@linux.com>
> Cc: Glauber Costa <glommer@parallels.com>
> Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
I'm getting rejects for this. Care to resend against latest slab/next branch?
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prev parent reply other threads:[~2012-09-04 7:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-14 20:03 Ezequiel Garcia
2012-08-14 20:53 ` Christoph Lameter
2012-08-15 11:38 ` Ezequiel Garcia
2012-08-15 11:42 ` Pekka Enberg
2012-08-15 11:45 ` Ezequiel Garcia
2012-08-15 14:04 ` Christoph Lameter
2012-08-15 11:43 ` Pekka Enberg
2012-09-03 21:13 ` Ezequiel Garcia
2012-09-04 7:28 ` Pekka Enberg [this message]
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